Utica Boilers BC Series II Operation and Installation Manual
Contents
1. TYPE PIPE N VENTILATION LOUVE RS CEACH AND Figure 5 Horizontal Ducts CHIMNEY W OR L TYPE VENT PIPE F ATT C3 VENT PIPE OUTLET AIR DUCT INLET AIR DUCT CONNECTING SUPPLY AND RETURN PIPING Circulators in the following illustrations are mounted on system supply side mounting on system return side is also acceptable practice Figure 6 Boiler Used In Connection With Refrigerated System REDUCED PRESSURE BACK FLOW PREVENTER CIRCULATOR SUPPLY PIPING TO HEATING AND COOLING ELEMENT WATER CHILLER RETURN PIPING FROM HEATING AND COOLING ELEMENT CHECK Figure 7 Bypass Piping Typically Used With Baseboard Heating SUPPLY a SYSTEM k TEMPERATURE GAUGE 1 Connect supply and return piping as suggested in B Use appropriate valves to prevent chilled medium Figure 6 When the boiler is used in connection with from entering heating boiler refrigerated systems 2 During the heating cycle open valves A and B close A Chilled medium MUST BE IN PARALLEL with valves C and D boiler CONNECTING SUPPLY AND RETURN PIPING 3 During heating cooling cycle open valves C and D close valves A and B A Maintain a minimum clearance of one 1 inch to hot water pip2. Indicates a hazardous situation which if not avoided could result in minor or moderate injury NOTICE Used to address practices not related to personal injury All boiler and venting installations shall be done by qualified agency and in accordance with appropriate Manufacturer s Installation Operation and Maintenance Manual Installing or venting boiler or any other appliance with improper methods or materials could result in serious injury or death due to fire or to asphyxiation from poisonous gases such as carbon monoxide which is odorless and invisible Keep boiler area clear and free from combustible materials gasoline and other flammable vapors and liquids DO NOT obstruct air openings to the boiler room Modification substitution or elimination of factory equipped supplied or specified components may result in personal injury or loss of life TO THE OWNER Installation and service of this boiler must be performed by a qualified installer TO THE INSTALLER Leave all instructions with boiler for future reference Keep boiler area clear and free from combustible materials gasoline and other flammable vapors and liquids DO NOT obstruct air openings to boiler room To the owner Installation and service of this boiler must be performed by qualified installer To the installer Leave all instructions with boiler for future reference Installation in Commonwealth of Massachusetts must be performed
3. Boiler jo PC3095 ATARA Delevan 0 85x 80 B BC4100 F3 2 U 0 7 Delevan 0 85x 80 B BC4115 F6 2 U O 6 Delevan 1 00x 809B NOTES Information in above table uses Beckett model AFG burner for both model numbers BC 3 and BC 4 BC4115 is rerated boiler which requires rerate kit 18 MAINTENANCE PROCEDURES Regular Maintenance Inspect venting system at start of each heating season Check vent pipe from boiler to chimney for signs of deterioration by rust or sagging joints Repair if necessary Remove vent pipe at base of chimney or flue Use mirror check for obstruction Verify compliance to the latest revision of the NFPA 211 Operate lever of safety relief valve on boiler periodically to verify that it is functioning properly Open pressure relief valve before water pressure exceeds 30 psi reading on gauge If pressure is exceeded and pressure relief valve leaks water when boiler is operating at normal pressures replace immediately Corrosion can build at valve seat and prevent functioning as safety device Annual Inspection Before Start of Heating Season Periodically or at start of heating season inspect boiler vent and vent pipe for accumulation of soot or scale deposits When soot is present on section walls and flueways improper combustion results causing additional sooting and scaling until flueways are completely closed A To remove soot and scale from flueways remove top jack
4. to fire or to asphyxiation from poisonous gases such as carbon monoxide with is odorless and invisible Start Up And Adjustment Of Oil Burner NOTE Bacharach or Dwyer test kits include these instruments See oil burner instructions for nozzle and electrode setting 1 Verify oil burner nozzle is tight in adapter Burner mounting bolts should be tight 2 Check electrode setting may have been jarred out of position during transportation 3 Lubricate burner motor if necessary 4 Set room thermostat to call for heat or jump thermostat contacts on boiler control 5 Open all oil line valves 6 Turn service switch on Burner will start 7 On one pipe fuel systems only bleed pump as soon as burner starts Allow oil to run until all traces of air in suction line disappear 8 Turn OFF burner and install pressure gauge port on pump 9 Start burner and check oil pressure for 140 psi adjust if necessary Burner Operation Instructions Use provided 1 4 diameter slot in inspection cover plate to take draft readings in combustion chamber See Figure 19 page 16 Drill 1 4 diameter hole in flue pipe between boiler and barometric damper if used to take draft CO smoke and temperature readings Plug hole when done e Adjust air shutter on oil burner to obtain trace of smoke Measure CO at this point Increase air adjustment to lower CO approximately one percent e Verify minimum negat
5. wide enough to allow largest boiler part to enter or to permit replacement of another appliance such as water heater Boiler shall be installed such that the oil ignition system components are protected from water dripping spraying rain etc during appliance operation and service e Remove crate and plastic protective wrapper inspect for damage e Move boiler to permanent position by sliding or walking VENTILATION AND COMBUSTION AIR Table 5 COMBUSTION AIR REQUIREMENTS Minimum Opening Requirement Unconfined Area Confined Area Outside Inside Outside Combustion Air Combustion Air 1 Sq BTU Hr Input Combustion Air 1 Sq Vertical Ducts 1 Sq Horizontal Ducts 1 Sq Mbh In 5000 BTU Hr In 1000 BTU Hr In 4000 BTU Hr In 2000 BTU Hr Step 4 i O el Figures 2 amp 3 Figure 4 A space whose volume is not less than 50 cubic feet per 1000 BTU Hour of all appliances installed in that space cubic feet of space height x width x length A space whose volume is less than 50 cubic feet per Mbh of all appliances installed in that space cubic feet of space height x width x length 4 When air for combustion and room ventilation is from Asphyxiation fire hazard Air openings to combustion inside buildings the confined space shall be provided area SHALL not be obstructed Provide adequate with two permanent openings one starting 12 inches supply of combustion air in accordance with from the top and on
6. MENT Crated Boiler Flush Jacket Oil Burner Target Wall Liner Circulator 1 4 Safety Relief Valve Temperature Pressure Gauge Drain Valve Wiring Harness Supply Tapping 1 Return Tapping 114 High Limit and Circulator Control Primary Control For Tankless Heater Units add Low Limit INSTALLATION PROCEDURE 4 DANGER Improper installation adjustment alteration service Fire hazard Do not install boiler on combustible or maintenance could result in death or serious flooring or carpeting Failure to follow these injury instructions WILL result in death or serious injury Installation shall conform to requirements of the authority having jurisdiction and shall take precedence Table 4 Clearance To Combustibles over the general instructions of this manual 24 IN Where required by authority having jurisdiction FRONT 24 IN installation shall conform to Standard for Controls and Safety Devices for Automatically Fired Boilers ANSI FLUE CONNECTOR ASME CSD 1 Locate boiler in front of final position before removing LEFT SIDE crate Provide solid level base as near chimney as RIGHT SIDE 24 IN possible and centrally located with respect to the heat distribution system as practical NOTE Clearance for access should exceed fire protection Allow 24 inches in front top and right hand side for clearance servicing and cleaning or removing tankless water heating coil When installed in utility room door should be
7. ST Controls and Safety Devices Nozzle Size Angle Type Pump Pressure Vacuum Line Voltage Motor Amps Inspect Chimney and Flue Pipe Inspect and Clean Appliance Inspect Oil Line Size Leaks Inspect Electrical Connections Install New Filter Smoke Test Room Make up Air Draft Overfire In Flue Electrode Setting CO or O lt x X X X KK gt x gt E LIT ee Proper Light Off Hot amp Cold Flue Gas Temperature Measure with instruments and record results below SERVICE RECORD Nozzle Draft CO Pump Pressure Smoke 2 ngle PSI or O gt dung L P S L L S UTICA BOILERS UTICA 2201 Dwyer Avenue BOILERS J J C Utica NY 13501 web site www ecrinternational com
8. T N3HM LN3TVAI0O3 YO NOILVINSNI 40 3dAL 3ZIS JXIM 3311 HLIM G39V1d389 38 5 ll AINO SSJTANYL M HWM LHM yig Nao YOLVINOALO CAS TIVISNI A8 AlddNS ZH 09 AOZL A N 5 YOSNAS LAT GSLNNOW 310 34 Qq3o9vid3M SI 34108 JHL HLIM A3NddNS ONIMIM TWNISINO 3 40 ANY Jl SALON MITIVLSNI A8 vc 1VISOWM3HL 16 OPERATING INSTRUCTIONS Sequence of Operation e Thermostat calls for heat e Circulator turns on e Limit checks boiler water temperature Burner ignition delayed until limit determines call for heat cannot be met by residual heat in boiler and heat distribution system A See limit literature for additional information B Burner delay by passed for tankless heat call for heat Burner ignition begins immediately e Burner and circulator operation continues until thermostat stops call for heat Figure 19 Boiler Controls JACKET TOP PANEL TEMPERATURE PRESSURE GAUGE LIMIT CONTROL UPPER FRONT JACKET PANEL 1 4 SLOT WIRE HARNESS CIRCULATOR LOWER FRONT JACKET PANEL OIL BURNER WIRE HARNESS BURNER 17 OPERATING INSTRUCTIONS Boiler and venting installations shall be performed by a qualified expert and in accordance with the appropriate manual Installing or venting boiler or other appliances with improper methods or materials may result in serious injury or death due
9. UTICA BOILERS Models BC3095 BC4100 BC Series II BC4115 OIL FIRED CAST IRON BOILER INSTALLATION OPERATION amp MAINTENANCE MANUAL www ahridirectory org Maximum Allowable Working Pressure 30 psi eecr An ISO 9001 2008 Certified Company Manufactured by ECR International Inc 2201 Dwyer Avenue Utica NY 13501 web site www ecrinternational com P N 240009511 Rev B 12 2014 SAFETY INFORMATION Ratings Data And Dimensions Installation Procedure Ventilation And Combustion Air Connecting Supply And Return Piping Venting System Inspection amp Installation Electrical Wiring Wiring Diagrams Operating Instructions Maintenance Procedures Service Checklist KEEP THIS MANUAL NEAR BOILER RETAIN FOR FUTURE REFERENCE IMPORTANT Read the following instructions COMPLETELY before installing Safety Symbols amp Warnings The following defined symbols are used throughout this manual to notify the reader of potential hazards of varying risk levels 4 DANGER Indicates a hazardous situation which if not avoided WILL result in death or serious injury Indicates a hazardous situation which if not avoided could result in death or serious injury
10. a i mm yp l aa aa all LO i L LIL sa l mem HDT WATER ep CIR COLD w E DUTLET REDUCING EE 5 THERMAL TRAP RELIEF VALVE WIRING FOR THERMOSTATZ PUMP CONTROL 2 Sh I DRAIN COCK Figure 12 Typical Installation With DHW L c4 TANKLESS COIL PRESSURE GAUGE COP TIONAL gt ADJUSTABLE FLOW RESTRICTOR J T amp P VALVE COLD wATER SUPPLY IN TEMPERING VALVE BALANCING VALVE TEMPERED WATER OUT 11 CONNECTING SUPPLY AND RETURN PIPING Burn or Scald Hazard Discharge line shall be installed to relief valve outlet connection to avoid burns scalding or water damage due to discharge of steam and or hot water during operation Discharge line shall e Use 3 4 or larger pipe e Use pipe suitable for temperatures of 375 F 191 C or greater e Individual boiler discharge piping shall be independent of other discharge piping e Size and arrange discharge piping to avoid reducing safety relief valve relieving capacity below minimum relief valve capacity stated on rating plate e Run pipe as short and straight as possible to location protecting user from scalding and properly drain piping e Install union if used close to safety relief valve outlet Install elbow s if used close to safety relief valve outlet and downstream of union if used e Terminate pipe with plain end not threaded Refer to local codes and appropriate ASME Boiler and Pressure Ve
11. ating under positive pressure Inspect chimney Verify construction supplies with requirements of authority having jurisdiction or in absence of such requirements NFPA 211 Standard for Chimneys Fireplaces Vents and Solid Fuel Burning Appliances Install boiler into chimney which has masonry or metallic chimney Imen Table 6 CHIMNEY OR VENT SIZES Unlined chimney will have leaks that will cause poor chimney performance no draft and could result in MODEL NUMBER ees SQUARE HEIGHT FT positive pressure in the combustion chamber Horizontal portions of venting system should not exceed C e oe e leel E 10 ft in length Horizontal lengths over 10 ft will have BC4 6 8 8 8 8 10 15 40 negative effect on chimney performance MIN MAX MIN MAX MIN MAX Chimney should extend at least 2 ft above any portion of building within 10 ft See Figure 15 It should produce a 06 to 08 inch W C draft as measured with draft gauge between boiler and barometric draft control while maintaining 02 inch W C negative draft in combustion chamber See Chimney or Vent Sizes chart for recommended minimum and maximum chimney or vent sizes Inadequate draft will cause improper combustion resulting in dirty flue ways and high fuel bills Connect flue pipe same size as boiler outlet to chimney sloping upward continuously toward the chimney approximately 1 4 per foot Bolt or screw joints together to avoid sa
12. by Licensed Plumber or Licensed Gas Fitter DIMENSIONS Figure 1 Dimensions 21 1 8 11 7 32 2 1 2 36 8 2 3 4 A Table 1 DIMENSIONS Length Front of Jacket of Flush to Center Line Jacket of Flue Outlet BC3 19 9 BC4 23 1134 Boiler RATINGS DATA AND DIMENSIONS Table 2 RATINGS amp DATA www ahridirectory org AHRI Oil Burner Heati AHRI Net Min Natural Draft Input Sang Ratings 0 A F U E Chimney Size Boiler Model Capacity Pecos oss is s o ow 6 oon BC4100 8x8x15 BC4115 8x8x15 NOTES 1 AHRI burner capacity is based on an oil heating value of 140 000 Btu gal and with 13 CO 2 Net AHRI Water Ratings shown are based on a piping and pickup allowance of 1 15 3 Consult manufacturer before selecting boiler for installations having unusual piping and pickup requirements such as intermittent system operation extensive piping 4 For forced hot water heating systems wher boiler and all piping are within the area to be heated select boiler on basis of its Heating Capacity 5 Nozzle listed for use with Beckett Burner 6 Electrical service to be 120 Volts 15 Amps amp 60 Hz Table 3 TANK LESS WATER HEATER CAPACITIES Input Tankless Tankless Heater vd Rate Heater Capacity Intermittent Content Number G P H Number Draw G P M Gallons BC3095 0 95 L 24 3 25 6 7 BC4100 1 00 L 24 3 25 8 2 STANDARD EQUIP
13. e 12 inches from the bottom of the Installation Code for Oil Burning Appliances CSA enclosed space Each opening shall have a minimum 139 free area of 1 square inch per 1 000 BTU per hour of the total input rating of all appliances in the enclosed space but must not be less than 100 square inches These openings must freely communicate with the Asphyxiation fire hazard Do not obstruct air interior areas having adequate infiltration from the Openings to combustion area Follow instructions outside See Figure 2 below to maintain adequate combustion air 1 Ventilation of boiler room must be adequate enough to provide sufficient air to properly support combustion and venting 2 When the boiler is located in an unconfined space in a building of conventional construction frame masonry or metal infiltration normally is adequate to provide Figure 2 Combustion and Room Air From Inside air for combustion and ventilation However in any Buildings building which has been altered to conserve energy or to minimize infiltration the boiler area should be considered as a confined space If there is any doubt install air supply provisions for combustion and ventilation in accordance with requirements of authority having juridiction or in absence of such requirements Air for Combustion and Ventilation of the NFPA 31 3 When the boiler is installed in an unconfined space in a building of unusually tight construction air for comb
14. es In air handling units where they may be exposed to refrigerated air circulation the boiler piping system MUST be supplied with flow control valves or other automatic means to prevent gravity circulation of the boiler water during the cooling cycle Hot water boilers installed above radiation level must be provided with a low water device either as part of the boiler or at the time of boiler installation When a boiler is connected to a heating system that utilizes multiple zoned circulators each circulator must be supplied with a flow control valve to prevent gravity circulation Reduced pressure back flow preventer must be present under provisions required by the Environmental Protection Agency EPA Bypass piping is an option which gives the ability to adjust the supply boiler water temperature to fit the system or condition of the installation Although this method of piping is not typically required for baseboard heating systems A This method is used to protect systems using radiant panels and the material they are encased in from high temperature supply water from the boiler See Figure 7 page 7 10 11 B This method is used to protect boilers from condensate forming due to low temperature return water Generally noticed in large converted gravity systems or other large water volume systems See Figure 8 C This method is used to protect boilers from condensate forming as well as protecting the heating
15. et above the floor supply at service panel before making electrical 2 NEVER install a thermostat on an outside wall connections Failure to do so could result in death 3 Do not install a thermostat where it will be affected or serious injury by drafts hot or cold pipes sunlight lighting fixtures television fireplaces or chimneys 4 Check thermostat operation by raising and lowering thermostat as required to start and stop the burner 5 Instructions for the final adjustment of the thermostat are packaged with the thermostat adjusting heating A separate electrical circuit should be run from the entry anticipator calibration etc box with a fused disconnect switch in this circuit See wiring diagram See Figure 18 Electrical shock hazard Turn OFF electrical power Install electrical wiring in accordance with requirements of authority having jurisdiction or in the absence of such requirements NFPA 70 National Electric Code Wiring for zone valve installations are furnished with zone valve packages 15 WIRING DIAGRAMS iagram D iring w Figure 18 13A 1199 avo q34 134 1730 avo Z1 IA 3ATVA 21 Ong unn zI 940 YOLOW zI LHM N18 S31IN9I INSLNOOD G0S Ll135238 JOSLNOO OL 13S ANOLOV4S 38V 1109 SSSDINVL HIIM GaddINOA AYOLOVS S 31l08 OL 1OMINOO 187221 NO M3IJ3AVMVd TI3 135 Q3Sn SI LWN MO
16. et panel top clean out plate and burner See instructions on Removing Oil Boiler Use wire brush brush soot and scale into combustion chamber where it can be removed through burner opening B Carefully vacuum debris from combustion chamber Inspect combustion chamber for signs of damage i e cracks C In event combustion chamber is damaged contact qualified service agent to replace immediately NOTICE Do not overtighten bolts Periodic inspection and tightening of tankless heater cover plate bolts reduce the risk of leaks CAUTION Do not overtighten bolts Instructions For Removing Oil Burner Turn off power to boiler Allow boiler to cool down Remove three 3 1 2 nuts from burner flange Close oil valve See Figure 16 and Figure 17 page 13 oO SN gt Disconnect oil line from burner Recommend replacing nozzle at start of each heating season Lubricate burner motor and circulator motor if required with few drops of good grade of light motor oil Do not over oil Have qualified service agent service burner and check controls and electrodes for carbon or cracks in insulators Adjust burners to produce conditions shown in Start up and Adjustment of Oil Burner procedure Instructions For Replacing Oil Burner 1 Reconnect oil line 2 Open oil valve See Figure 16 and Figure 17 page 13 3 Install and tighten three 3 1 2 nuts on burner flange 4 Turn on power to boiler 19 SERVICE CHECKLI
17. g If oil fired water heater is vented into same flue as boiler provide separate hole into chimney whenever possible When this isn t possible use Y connection in flue pipe using separate draft regulator for each unit When chimney will not provide adequate draft to handle input from water heater and boiler simultaneously wire units so only one will operate at a time favoring water heater 13 OIL TANK AND PIPING Oil Tank and Piping Installation e Install oil tank and piping in accordance with the National Board of Fire Underwriters and local regulations e Oil storage tank vent fill pipe and caps should be as prescribed by local codes In no case should the vent pipe be smaller than 1 I P S The fill pipe should not be less than 2 L P S e Suction line from tank to burner shall be one continuous piece of tubing to prevent air entering the line A Suction line must be 36 O D copper tubing for runs of 50 feet or less and 1 2 O D for longer runs B Install oil return line same size suction line Use on any installation where bottom of tank is below fuel unit of burner C Oil lines should be buried or otherwise protected from mechanical injury D Flare fittings on all oil lines are recommended E Compression fittings on suction line often allows air to be drawn into fuel pump making it difficult to maintain oil pressure at the nozzle F Do not run overhead fuel lines from tank to oil burner e Ins
18. ive 02 w c water column overfire draft and zero smoke e f 02 w c overfire draft can not be maintained changes and or modifications may be required in venting or chimney e See table below as guideline for initial start up Make final adjustments using combustion instruments Check safety control circuit after burner adjustments have been made for satisfactory performance A High limit control remove cover and note temperature setting See Figure 19 page 16 With burner operating decrease setting to minimum point When boiler water temperature exceeds set point high limit switch will open shutting off power to oil burner Return setting to desired high limit point Burner should start B Verify Primary Control and Flame Sensor e Flame Failure simulate by shutting off oil supply with hand valve while burner is on Sixty seconds after flameout safety switch locks out ignition stops motor stops and oil valve when used closes To restart open oil supply valve and reset safety switch e Ignition Failure With burner off close oil supply valve and run through start up procedure Safety switch should lock out as in flame failure e Power Failure Turn off main power supply switch while burner is operating When burner stops restore power and burner should start If operation is not as described as above check wiring and controls Table 7 Oil Burner Settings Head Air Band Air Shutter Pump Pressure
19. osed space See Figure 4 If horizontal ducts are used each opening shall have a minimum free area 1 square inch per 2 000 BTU per hour total input rating of all appliances in the enclosed space See Figure 5 When ducts are used they shall be of the same cross sectional area as the free area of the area of the openings to which they connect The minimum dimension of rectangular air ducts shall not be less than 3 inches 6 In calculating free area using louvers grills or screens for the above consideration shall be given to their blocking effect Screens used shall not be smaller than 1 4 inch mesh If the free area through a design of louver or grill is known it should be used in calculating the size opening required to provide the free area specified If the design and free area is not known it may be assumed that wood louvers will have 20 25 free area and metal louvers and grills will have 60 75 free area Louvers and grills shall be fixed in the open position or interlocked with the boiler so that they are opened automatically during boiler operation Figure 3 Boiler Installed In Confined Space Air From Outdoors CHIMNE Y R L TYPE VEN PIPE VENTILATI N LOUV ERS SEACH AND F ATTIC Figure 4 Vertical Ducts CH R VE
20. ssel Code for additional installation requirements 12 Install limit sensor in supply pipe See Figure 13 e Install nipple and tee Figure 14 iuba Relief Valve With Discharge e Install well in tee e Insert sensor into well Secure with clip Safety Relief Valve e Secure sensor wire to jacket with cable clamps Plug sensor wire into limit See wiring diagram I Discharge Line 13 Install safety relief valve See Figure 14 e Install safety relief valve in rear section using provided nipple and elbow e Install discharge piping Follow instructions in Warning above BOILER Figure 13 Limit Sensor Well Check local codes for maximum distance from floor or allowable safe point of discharge Limit Sensor Temperature VENTING SYSTEM INSPECTION amp INSTALLATION Figure 15 Chimney Installation Boiler and venting installations shall be performed by a qualified expert and in accordance with the appropriate manual Installing or venting boiler MORE THAN 10 3 1 M or other appliances with improper methods or 10 3 1 M materials may result in serious injury or death due ati 1 HEIGHT ABOVE ANY to fire or to asphyxiation from poisonous gases such E OCUPA E EUR as carbon monoxide with is odorless and invisible 10 3 1 M HORIZONTALLY RIDGE 2 61 om CHIMNEY 3 92 M MIN Do not connect boiler to any portion of mechanical GAS VENT OR draft system oper
21. system from high water temperature See Figure 9 page 9 Note When using bypass piping adjust valves A and B until desired system temperature is obtained Bypass loop piping must be same size piping for supply and return Typical installation using circulators is shown in Figure 10 page 9 Typical installation using zone valves is shown in Figure 11 page 10 See Figure 12 page 10 for typical piping for domestic hot water heater EXPANSION TANK Figure 8 Bypass Piping Option For Converted Large Volume Systems SYSTEM TEMPERATURE GAUGE FLOW VALVE VALVE 3 SUPPL Y CONNECTING SUPPLY AND RETURN PIPING Figure 9 Bypass Piping Option Used to Protect From Converted Systems With High Water Temperature RETURN SYSTEM TEMPERATURE GAUGE SYSTEM Figure 10 Typical Installation With Circulators SYSTEM CIR FLOW VALVE GATE L TANK a CIR REDUCED PRESSURE BACKFLOW PREVENTER AA ey if Cy f J HOT WATER PRESSURE FEED Tm REDUCING H FLOW CONTROL I OR CHECK VALVE H H LITT o SYSTEM RETURN _ Pi a LJ ME ay THERMAL RELIEF VALVE TRAP WIRING FOR DRAIN COCK b THERMDSTAT PUMP CONTROL 10 CONNECTING SUPPLY AND RETURN PIPING Figure 11 Typical Installation With Valves SYSTEM ZONE GATE VALVE VALVE SYSTEM RETURN REDUCED PRESSURE P BACKFLOW PREVENTER Li TANK ZONE a VALVE
22. tall fuel pump connections and by pass according to instructions attached to the fuel pump If tank is more than 20 from boiler install two stage fuel unit in place of single stage pump supplied as standard equipment with burner Verify rotation and speed are same and pump is suitable for burner horsepower rating Install oil line filter and shut off valve in suction line Install shut off valves in both suction and return lines at burner for servicing burner Allow extra tubing at burner so burner may be removed from boiler for cleaning without disconnecting tubing See Figure 16 and Figure 17 Optional flexible oil line is available Figure 16 Typical Installation Single Pipe Oil System i 3 THI HH TE TE TE TE HH TE TE TE TE TE II d SWING JDINTS BAROMETRIC VENT PIPE DRAFT CONTROL b 1 REFER TO NATIONAL BOARD OF FIRE UNDERWRITERS FILLER PIPE OIL LINE MUST BE BURIED OR OTHERWISE PROTECTED FROM DAMAGE MINIMUM 3 8 IPS OR 3 8 O D COPPER TUBING 14 Figure 17 Typical Installation Two Pipe Oil System APPROVED FITTINGS BAROMETRIC DRAFT CONTROL d B 54 JN OIL BURNER RETURN LINE REFER TO LOCAL CODE OIL LINE MUST BE BURIED OR OTHERWISE PROTECTED FROM DAMAGE MINIMUM 1 8 IPS OR 1 2 O D CNPPER TUBING ELECTRICAL WIRING Thermostat Installation 1 Thermostat should be installed on an inside wall about i four fe
23. ustion and room ventilation must be obtained from outdoors or from spaces freely communicating with the outdoors A permanent opening or openings having a total free area of not less than 1 square inch per 5 000 BTU per hour of total input rating of all appliances shall be provided Ducts may be used to convey make up air from the outdoors and shall have the same cross sectional area of the openings to which they are connected CHIMNEY LTYPE VENT PIPE BASEBOARD VENT PIPE VENTILATION AND COMBUSTION AIR 5 When the boiler is installed in a confined space and all air is provided from the outdoors the confined space shall be provided with two permanent openings one commencing within 12 inches from the top and one commencing 12 inches from the bottom of the enclosure The openings shall communicate directly or by ducts with the outdoors or spaces crawl or attic that freely communicate with the outdoors One of the following methods must be used to provide adequate air for ventilation and combustion A When directly communicating with the outdoors each opening shall have a minimum free area of 1 square inch per 4 000 BTU per hour of total input rating of all equipment in the enclosure See Figure 3 When communicating with the outdoors by means of vertical ducts each opening shall have a mini mum free area 1 square inch per 4 000 BTU per hour of total input rating of all appliances in the encl
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